- ArmorFit skirt coating allows forged piston to be installed at tighter clearance, conforming to the cylinder bore through normal operation for ideal performance with less guesswork
- ArmorFit skirt coating allows forged piston to be installed at tighter clearance, conforming to the cylinder bore through normal
- ArmorX coating applied to piston crown, ring grooves, and pin bore through proprietary electrochemical process and materials
- Greatly increased resistance to wear and damage caused by heat and detonation plus resists ring microwelding
- Various compression ratios and bore sizes available off the shelf to fit specific builds
- Ideal for high-performance environments - from natural aspiration to power adders
- Remains durable in high load, high cylinder pressure, high heat environments
- Engineered, forged, and machined in the USA in Mentor, OH
- Kits include ring packs, wrist pins, and circlips
- 4.250 in. Bore, 11:1 CR
Upgrade your Harley-Davidson engine with the Wiseco Black Edition piston kit, designed for high-performance and durability. Crafted in the USA, this piston kit features a 4.250-inch bore and an 11:1 compression ratio, making it ideal for custom builds, power adders, or high-load environments. Its proprietary ArmorX coating on the crown, ring grooves, and pin bore provides exceptional resistance to heat, detonation, and wear, ensuring long-lasting performance. The ArmorFit skirt coating allows for tighter clearance installation, conforming precisely to the cylinder bore during operation for optimal performance with less guesswork. This technology helps reduce engine noise and friction, contributing to smoother operation and increased efficiency.
The kit includes ring packs, wrist pins, and circlips, making it a comprehensive solution for your Harley engine rebuild or upgrade. Designed to withstand high cylinder pressures and temperatures, these forged pistons are suitable for a variety of Harley-Davidson models, including the 2017-2019 CVO and Fat Boy 114 series. Whether you're building a naturally aspirated engine or adding power through forced induction, these pistons provide the durability and performance needed for aggressive riding and racing applications. With various compression ratios and bore sizes available, you can customize your build for specific performance goals while benefiting from the industry-leading technology Wiseco offers. Trust in Wiseco’s American craftsmanship to deliver reliable, high-quality parts for your Harley-Davidson motorcycle.
Please note that these pistons are not carburetor approved and require carb acknowledgment during installation. Designed for powersports use, they are not suitable for emissions or legal street applications. Enhance your Harley's performance with the Wiseco Black Edition piston kit—engineered for riders who demand the best in durability and performance.
Features:
- ArmorX coating applied to piston crown, ring grooves, and pin bore for increased resistance to heat and detonation
- ArmorFit skirt coating allows for tighter clearance installation, conforming to the cylinder bore during operation
- Includes ring packs, wrist pins, and circlips for a complete installation kit
- Designed for high-performance environments, from natural aspiration to forced induction
- Constructed from forged aluminum for strength and durability
- Engineered, forged, and machined in the USA in Mentor, Ohio
- Suitable for various Harley-Davidson models with 4.250-inch bore and 11:1 CR
- Resists ring microwelding and reduces engine noise and friction
- Available in multiple compression ratios and bore sizes to fit specific builds
